mirror of
https://github.com/systemd/systemd.git
synced 2024-12-25 01:34:28 +03:00
sd-event: rework API to support CLOCK_REALTIME_ALARM and CLOCK_BOOTTIME_ALARM, too
This commit is contained in:
parent
f66eeb6bb6
commit
6a0f1f6d5a
@ -873,7 +873,12 @@ int job_start_timer(Job *j) {
|
||||
if (j->unit->job_timeout <= 0)
|
||||
return 0;
|
||||
|
||||
r = sd_event_add_monotonic(j->manager->event, &j->timer_event_source, j->begin_usec + j->unit->job_timeout, 0, job_dispatch_timer, j);
|
||||
r = sd_event_add_time(
|
||||
j->manager->event,
|
||||
&j->timer_event_source,
|
||||
CLOCK_MONOTONIC,
|
||||
j->begin_usec + j->unit->job_timeout, 0,
|
||||
job_dispatch_timer, j);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
@ -1061,7 +1066,12 @@ int job_coldplug(Job *j) {
|
||||
if (j->timer_event_source)
|
||||
j->timer_event_source = sd_event_source_unref(j->timer_event_source);
|
||||
|
||||
r = sd_event_add_monotonic(j->manager->event, &j->timer_event_source, j->begin_usec + j->unit->job_timeout, 0, job_dispatch_timer, j);
|
||||
r = sd_event_add_time(
|
||||
j->manager->event,
|
||||
&j->timer_event_source,
|
||||
CLOCK_MONOTONIC,
|
||||
j->begin_usec + j->unit->job_timeout, 0,
|
||||
job_dispatch_timer, j);
|
||||
if (r < 0)
|
||||
log_debug("Failed to restart timeout for job: %s", strerror(-r));
|
||||
|
||||
|
@ -102,7 +102,12 @@ static int manager_watch_jobs_in_progress(Manager *m) {
|
||||
return 0;
|
||||
|
||||
next = now(CLOCK_MONOTONIC) + JOBS_IN_PROGRESS_WAIT_USEC;
|
||||
return sd_event_add_monotonic(m->event, &m->jobs_in_progress_event_source, next, 0, manager_dispatch_jobs_in_progress, m);
|
||||
return sd_event_add_time(
|
||||
m->event,
|
||||
&m->jobs_in_progress_event_source,
|
||||
CLOCK_MONOTONIC,
|
||||
next, 0,
|
||||
manager_dispatch_jobs_in_progress, m);
|
||||
}
|
||||
|
||||
#define CYLON_BUFFER_EXTRA (2*(sizeof(ANSI_RED_ON)-1) + sizeof(ANSI_HIGHLIGHT_RED_ON)-1 + 2*(sizeof(ANSI_HIGHLIGHT_OFF)-1))
|
||||
|
@ -163,7 +163,12 @@ static int mount_arm_timer(Mount *m) {
|
||||
return sd_event_source_set_enabled(m->timer_event_source, SD_EVENT_ONESHOT);
|
||||
}
|
||||
|
||||
return sd_event_add_monotonic(UNIT(m)->manager->event, &m->timer_event_source, now(CLOCK_MONOTONIC) + m->timeout_usec, 0, mount_dispatch_timer, m);
|
||||
return sd_event_add_time(
|
||||
UNIT(m)->manager->event,
|
||||
&m->timer_event_source,
|
||||
CLOCK_MONOTONIC,
|
||||
now(CLOCK_MONOTONIC) + m->timeout_usec, 0,
|
||||
mount_dispatch_timer, m);
|
||||
}
|
||||
|
||||
static void mount_unwatch_control_pid(Mount *m) {
|
||||
|
@ -83,7 +83,12 @@ static int scope_arm_timer(Scope *s) {
|
||||
return sd_event_source_set_enabled(s->timer_event_source, SD_EVENT_ONESHOT);
|
||||
}
|
||||
|
||||
return sd_event_add_monotonic(UNIT(s)->manager->event, &s->timer_event_source, now(CLOCK_MONOTONIC) + s->timeout_stop_usec, 0, scope_dispatch_timer, s);
|
||||
return sd_event_add_time(
|
||||
UNIT(s)->manager->event,
|
||||
&s->timer_event_source,
|
||||
CLOCK_MONOTONIC,
|
||||
now(CLOCK_MONOTONIC) + s->timeout_stop_usec, 0,
|
||||
scope_dispatch_timer, s);
|
||||
}
|
||||
|
||||
static void scope_set_state(Scope *s, ScopeState state) {
|
||||
|
@ -257,7 +257,12 @@ static void service_start_watchdog(Service *s) {
|
||||
|
||||
r = sd_event_source_set_enabled(s->watchdog_event_source, SD_EVENT_ONESHOT);
|
||||
} else {
|
||||
r = sd_event_add_monotonic(UNIT(s)->manager->event, &s->watchdog_event_source, s->watchdog_timestamp.monotonic + s->watchdog_usec, 0, service_dispatch_watchdog, s);
|
||||
r = sd_event_add_time(
|
||||
UNIT(s)->manager->event,
|
||||
&s->watchdog_event_source,
|
||||
CLOCK_MONOTONIC,
|
||||
s->watchdog_timestamp.monotonic + s->watchdog_usec, 0,
|
||||
service_dispatch_watchdog, s);
|
||||
if (r < 0) {
|
||||
log_warning_unit(UNIT(s)->id, "%s failed to add watchdog timer: %s", UNIT(s)->id, strerror(-r));
|
||||
return;
|
||||
@ -345,7 +350,12 @@ static int service_arm_timer(Service *s, usec_t usec) {
|
||||
return sd_event_source_set_enabled(s->timer_event_source, SD_EVENT_ONESHOT);
|
||||
}
|
||||
|
||||
return sd_event_add_monotonic(UNIT(s)->manager->event, &s->timer_event_source, now(CLOCK_MONOTONIC) + usec, 0, service_dispatch_timer, s);
|
||||
return sd_event_add_time(
|
||||
UNIT(s)->manager->event,
|
||||
&s->timer_event_source,
|
||||
CLOCK_MONOTONIC,
|
||||
now(CLOCK_MONOTONIC) + usec, 0,
|
||||
service_dispatch_timer, s);
|
||||
}
|
||||
|
||||
#ifdef HAVE_SYSV_COMPAT
|
||||
|
@ -168,7 +168,12 @@ static int socket_arm_timer(Socket *s) {
|
||||
return sd_event_source_set_enabled(s->timer_event_source, SD_EVENT_ONESHOT);
|
||||
}
|
||||
|
||||
return sd_event_add_monotonic(UNIT(s)->manager->event, &s->timer_event_source, now(CLOCK_MONOTONIC) + s->timeout_usec, 0, socket_dispatch_timer, s);
|
||||
return sd_event_add_time(
|
||||
UNIT(s)->manager->event,
|
||||
&s->timer_event_source,
|
||||
CLOCK_MONOTONIC,
|
||||
now(CLOCK_MONOTONIC) + s->timeout_usec, 0,
|
||||
socket_dispatch_timer, s);
|
||||
}
|
||||
|
||||
static int socket_instantiate_service(Socket *s) {
|
||||
|
@ -179,7 +179,12 @@ static int swap_arm_timer(Swap *s) {
|
||||
return sd_event_source_set_enabled(s->timer_event_source, SD_EVENT_ONESHOT);
|
||||
}
|
||||
|
||||
return sd_event_add_monotonic(UNIT(s)->manager->event, &s->timer_event_source, now(CLOCK_MONOTONIC) + s->timeout_usec, 0, swap_dispatch_timer, s);
|
||||
return sd_event_add_time(
|
||||
UNIT(s)->manager->event,
|
||||
&s->timer_event_source,
|
||||
CLOCK_MONOTONIC,
|
||||
now(CLOCK_MONOTONIC) + s->timeout_usec, 0,
|
||||
swap_dispatch_timer, s);
|
||||
}
|
||||
|
||||
static int swap_add_device_links(Swap *s) {
|
||||
|
@ -399,7 +399,12 @@ static void timer_enter_waiting(Timer *t, bool initial) {
|
||||
|
||||
r = sd_event_source_set_enabled(t->monotonic_event_source, SD_EVENT_ONESHOT);
|
||||
} else
|
||||
r = sd_event_add_monotonic(UNIT(t)->manager->event, &t->monotonic_event_source, t->next_elapse_monotonic, t->accuracy_usec, timer_dispatch, t);
|
||||
r = sd_event_add_time(
|
||||
UNIT(t)->manager->event,
|
||||
&t->monotonic_event_source,
|
||||
CLOCK_MONOTONIC,
|
||||
t->next_elapse_monotonic, t->accuracy_usec,
|
||||
timer_dispatch, t);
|
||||
if (r < 0)
|
||||
goto fail;
|
||||
|
||||
@ -421,7 +426,12 @@ static void timer_enter_waiting(Timer *t, bool initial) {
|
||||
|
||||
r = sd_event_source_set_enabled(t->realtime_event_source, SD_EVENT_ONESHOT);
|
||||
} else
|
||||
r = sd_event_add_realtime(UNIT(t)->manager->event, &t->realtime_event_source, t->next_elapse_realtime, t->accuracy_usec, timer_dispatch, t);
|
||||
r = sd_event_add_time(
|
||||
UNIT(t)->manager->event,
|
||||
&t->realtime_event_source,
|
||||
CLOCK_REALTIME,
|
||||
t->next_elapse_realtime, t->accuracy_usec,
|
||||
timer_dispatch, t);
|
||||
if (r < 0)
|
||||
goto fail;
|
||||
|
||||
|
@ -1377,14 +1377,19 @@ int server_schedule_sync(Server *s, int priority) {
|
||||
if (s->sync_interval_usec > 0) {
|
||||
usec_t when;
|
||||
|
||||
r = sd_event_get_now_monotonic(s->event, &when);
|
||||
r = sd_event_now(s->event, CLOCK_MONOTONIC, &when);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
when += s->sync_interval_usec;
|
||||
|
||||
if (!s->sync_event_source) {
|
||||
r = sd_event_add_monotonic(s->event, &s->sync_event_source, when, 0, server_dispatch_sync, s);
|
||||
r = sd_event_add_time(
|
||||
s->event,
|
||||
&s->sync_event_source,
|
||||
CLOCK_MONOTONIC,
|
||||
when, 0,
|
||||
server_dispatch_sync, s);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
|
@ -300,7 +300,7 @@ static int client_send_discover(sd_dhcp_client *client) {
|
||||
|
||||
assert(client);
|
||||
|
||||
r = sd_event_get_now_monotonic(client->event, &time_now);
|
||||
r = sd_event_now(client->event, CLOCK_MONOTONIC, &time_now);
|
||||
if (r < 0)
|
||||
return r;
|
||||
assert(time_now >= client->start_time);
|
||||
@ -427,7 +427,7 @@ static int client_timeout_resend(sd_event_source *s, uint64_t usec,
|
||||
assert(client);
|
||||
assert(client->event);
|
||||
|
||||
r = sd_event_get_now_monotonic(client->event, &time_now);
|
||||
r = sd_event_now(client->event, CLOCK_MONOTONIC, &time_now);
|
||||
if (r < 0)
|
||||
goto error;
|
||||
|
||||
@ -476,11 +476,11 @@ static int client_timeout_resend(sd_event_source *s, uint64_t usec,
|
||||
|
||||
client->timeout_resend = sd_event_source_unref(client->timeout_resend);
|
||||
|
||||
r = sd_event_add_monotonic(client->event,
|
||||
&client->timeout_resend,
|
||||
next_timeout,
|
||||
10 * USEC_PER_MSEC,
|
||||
client_timeout_resend, client);
|
||||
r = sd_event_add_time(client->event,
|
||||
&client->timeout_resend,
|
||||
CLOCK_MONOTONIC,
|
||||
next_timeout, 10 * USEC_PER_MSEC,
|
||||
client_timeout_resend, client);
|
||||
if (r < 0)
|
||||
goto error;
|
||||
|
||||
@ -560,9 +560,11 @@ static int client_initialize_events(sd_dhcp_client *client,
|
||||
|
||||
client->timeout_resend = sd_event_source_unref(client->timeout_resend);
|
||||
|
||||
r = sd_event_add_monotonic(client->event,
|
||||
&client->timeout_resend, 0, 0,
|
||||
client_timeout_resend, client);
|
||||
r = sd_event_add_time(client->event,
|
||||
&client->timeout_resend,
|
||||
CLOCK_MONOTONIC,
|
||||
0, 0,
|
||||
client_timeout_resend, client);
|
||||
if (r < 0)
|
||||
goto error;
|
||||
|
||||
@ -806,7 +808,7 @@ static int client_set_lease_timeouts(sd_dhcp_client *client) {
|
||||
if (client->lease->lifetime == 0xffffffff)
|
||||
return 0;
|
||||
|
||||
r = sd_event_get_now_monotonic(client->event, &time_now);
|
||||
r = sd_event_now(client->event, CLOCK_MONOTONIC, &time_now);
|
||||
if (r < 0)
|
||||
return r;
|
||||
assert(client->request_sent <= time_now);
|
||||
@ -856,10 +858,10 @@ static int client_set_lease_timeouts(sd_dhcp_client *client) {
|
||||
}
|
||||
|
||||
/* arm lifetime timeout */
|
||||
r = sd_event_add_monotonic(client->event,
|
||||
&client->timeout_expire, lifetime_timeout,
|
||||
10 * USEC_PER_MSEC,
|
||||
client_timeout_expire, client);
|
||||
r = sd_event_add_time(client->event, &client->timeout_expire,
|
||||
CLOCK_MONOTONIC,
|
||||
lifetime_timeout, 10 * USEC_PER_MSEC,
|
||||
client_timeout_expire, client);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
@ -877,11 +879,12 @@ static int client_set_lease_timeouts(sd_dhcp_client *client) {
|
||||
return 0;
|
||||
|
||||
/* arm T2 timeout */
|
||||
r = sd_event_add_monotonic(client->event,
|
||||
&client->timeout_t2,
|
||||
t2_timeout,
|
||||
10 * USEC_PER_MSEC,
|
||||
client_timeout_t2, client);
|
||||
r = sd_event_add_time(client->event,
|
||||
&client->timeout_t2,
|
||||
CLOCK_MONOTONIC,
|
||||
t2_timeout,
|
||||
10 * USEC_PER_MSEC,
|
||||
client_timeout_t2, client);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
@ -899,11 +902,11 @@ static int client_set_lease_timeouts(sd_dhcp_client *client) {
|
||||
return 0;
|
||||
|
||||
/* arm T1 timeout */
|
||||
r = sd_event_add_monotonic(client->event,
|
||||
&client->timeout_t1,
|
||||
t1_timeout,
|
||||
10 * USEC_PER_MSEC,
|
||||
client_timeout_t1, client);
|
||||
r = sd_event_add_time(client->event,
|
||||
&client->timeout_t1,
|
||||
CLOCK_MONOTONIC,
|
||||
t1_timeout, 10 * USEC_PER_MSEC,
|
||||
client_timeout_t1, client);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
@ -964,10 +967,11 @@ static int client_handle_message(sd_dhcp_client *client, DHCPMessage *message,
|
||||
client->state = DHCP_STATE_REQUESTING;
|
||||
client->attempt = 1;
|
||||
|
||||
r = sd_event_add_monotonic(client->event,
|
||||
&client->timeout_resend, 0,
|
||||
0, client_timeout_resend,
|
||||
client);
|
||||
r = sd_event_add_time(client->event,
|
||||
&client->timeout_resend,
|
||||
CLOCK_MONOTONIC,
|
||||
0, 0,
|
||||
client_timeout_resend, client);
|
||||
if (r < 0)
|
||||
goto error;
|
||||
|
||||
|
@ -165,7 +165,7 @@ static int ipv4ll_timer(sd_event_source *s, uint64_t usec, void *userdata) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void ipv4ll_set_next_wakeup (sd_ipv4ll *ll, int sec, int random_sec) {
|
||||
static void ipv4ll_set_next_wakeup(sd_ipv4ll *ll, int sec, int random_sec) {
|
||||
usec_t next_timeout = 0;
|
||||
usec_t time_now = 0;
|
||||
|
||||
@ -178,7 +178,7 @@ static void ipv4ll_set_next_wakeup (sd_ipv4ll *ll, int sec, int random_sec) {
|
||||
if (random_sec)
|
||||
next_timeout += random_u32() % (random_sec * USEC_PER_SEC);
|
||||
|
||||
if (sd_event_get_now_monotonic(ll->event, &time_now) < 0)
|
||||
if (sd_event_now(ll->event, CLOCK_MONOTONIC, &time_now) < 0)
|
||||
time_now = now(CLOCK_MONOTONIC);
|
||||
|
||||
ll->next_wakeup = time_now + next_timeout;
|
||||
@ -278,7 +278,7 @@ static void ipv4ll_run_state_machine(sd_ipv4ll *ll, IPv4LLTrigger trigger, void
|
||||
|
||||
if (ipv4ll_arp_conflict(ll, in_packet)) {
|
||||
|
||||
r = sd_event_get_now_monotonic(ll->event, &time_now);
|
||||
r = sd_event_now(ll->event, CLOCK_MONOTONIC, &time_now);
|
||||
if (r < 0)
|
||||
goto out;
|
||||
|
||||
@ -330,8 +330,8 @@ static void ipv4ll_run_state_machine(sd_ipv4ll *ll, IPv4LLTrigger trigger, void
|
||||
|
||||
if (ll->next_wakeup_valid) {
|
||||
ll->timer = sd_event_source_unref(ll->timer);
|
||||
r = sd_event_add_monotonic(ll->event, &ll->timer,
|
||||
ll->next_wakeup, 0, ipv4ll_timer, ll);
|
||||
r = sd_event_add_time(ll->event, &ll->timer, CLOCK_MONOTONIC,
|
||||
ll->next_wakeup, 0, ipv4ll_timer, ll);
|
||||
if (r < 0)
|
||||
goto out;
|
||||
|
||||
@ -530,8 +530,11 @@ int sd_ipv4ll_start (sd_ipv4ll *ll) {
|
||||
if (r < 0)
|
||||
goto out;
|
||||
|
||||
r = sd_event_add_monotonic(ll->event, &ll->timer, now(CLOCK_MONOTONIC), 0,
|
||||
ipv4ll_timer, ll);
|
||||
r = sd_event_add_time(ll->event,
|
||||
&ll->timer,
|
||||
CLOCK_MONOTONIC,
|
||||
now(CLOCK_MONOTONIC), 0,
|
||||
ipv4ll_timer, ll);
|
||||
|
||||
if (r < 0)
|
||||
goto out;
|
||||
|
@ -466,9 +466,10 @@ static void test_addr_acq(sd_event *e)
|
||||
|
||||
callback_recv = test_addr_acq_recv_discover;
|
||||
|
||||
assert_se(sd_event_add_monotonic(e, &test_hangcheck,
|
||||
time_now + 2 * USEC_PER_SEC, 0,
|
||||
test_dhcp_hangcheck, NULL) >= 0);
|
||||
assert_se(sd_event_add_time(e, &test_hangcheck,
|
||||
CLOCK_MONOTONIC,
|
||||
time_now + 2 * USEC_PER_SEC, 0,
|
||||
test_dhcp_hangcheck, NULL) >= 0);
|
||||
|
||||
res = sd_dhcp_client_start(client);
|
||||
assert_se(res == 0 || res == -EINPROGRESS);
|
||||
|
@ -360,8 +360,7 @@ m4_ifdef(`ENABLE_KDBUS',
|
||||
sd_event_ref;
|
||||
sd_event_unref;
|
||||
sd_event_add_io;
|
||||
sd_event_add_monotonic;
|
||||
sd_event_add_realtime;
|
||||
sd_event_add_time;
|
||||
sd_event_add_signal;
|
||||
sd_event_add_child;
|
||||
sd_event_add_defer;
|
||||
@ -369,11 +368,10 @@ m4_ifdef(`ENABLE_KDBUS',
|
||||
sd_event_run;
|
||||
sd_event_loop;
|
||||
sd_event_exit;
|
||||
sd_event_now;
|
||||
sd_event_get_state;
|
||||
sd_event_get_tid;
|
||||
sd_event_get_exit_code;
|
||||
sd_event_get_now_realtime;
|
||||
sd_event_get_now_monotonic;
|
||||
sd_event_set_watchdog;
|
||||
sd_event_get_watchdog;
|
||||
sd_event_source_ref;
|
||||
@ -395,6 +393,7 @@ m4_ifdef(`ENABLE_KDBUS',
|
||||
sd_event_source_set_time;
|
||||
sd_event_source_set_time_accuracy;
|
||||
sd_event_source_get_time_accuracy;
|
||||
sd_event_source_get_time_clock;
|
||||
sd_event_source_get_signal;
|
||||
sd_event_source_get_child_pid;
|
||||
sd_event_source_get_event;
|
||||
|
@ -3065,7 +3065,7 @@ _public_ int sd_bus_attach_event(sd_bus *bus, sd_event *event, int priority) {
|
||||
|
||||
bus->event_priority = priority;
|
||||
|
||||
r = sd_event_add_monotonic(bus->event, &bus->time_event_source, 0, 0, time_callback, bus);
|
||||
r = sd_event_add_time(bus->event, &bus->time_event_source, CLOCK_MONOTONIC, 0, 0, time_callback, bus);
|
||||
if (r < 0)
|
||||
goto fail;
|
||||
|
||||
|
@ -41,16 +41,22 @@
|
||||
|
||||
typedef enum EventSourceType {
|
||||
SOURCE_IO,
|
||||
SOURCE_MONOTONIC,
|
||||
SOURCE_REALTIME,
|
||||
SOURCE_TIME_REALTIME,
|
||||
SOURCE_TIME_MONOTONIC,
|
||||
SOURCE_TIME_REALTIME_ALARM,
|
||||
SOURCE_TIME_BOOTTIME_ALARM,
|
||||
SOURCE_SIGNAL,
|
||||
SOURCE_CHILD,
|
||||
SOURCE_DEFER,
|
||||
SOURCE_POST,
|
||||
SOURCE_EXIT,
|
||||
SOURCE_WATCHDOG
|
||||
SOURCE_WATCHDOG,
|
||||
_SOUFCE_EVENT_SOURCE_TYPE_MAX,
|
||||
_SOURCE_EVENT_SOURCE_TYPE_INVALID = -1
|
||||
} EventSourceType;
|
||||
|
||||
#define EVENT_SOURCE_IS_TIME(t) IN_SET((t), SOURCE_TIME_REALTIME, SOURCE_TIME_MONOTONIC, SOURCE_TIME_REALTIME_ALARM, SOURCE_TIME_BOOTTIME_ALARM)
|
||||
|
||||
struct sd_event_source {
|
||||
unsigned n_ref;
|
||||
|
||||
@ -58,7 +64,7 @@ struct sd_event_source {
|
||||
void *userdata;
|
||||
sd_event_handler_t prepare;
|
||||
|
||||
EventSourceType type:4;
|
||||
EventSourceType type:5;
|
||||
int enabled:3;
|
||||
bool pending:1;
|
||||
bool dispatching:1;
|
||||
@ -107,30 +113,39 @@ struct sd_event_source {
|
||||
};
|
||||
};
|
||||
|
||||
struct sd_event {
|
||||
unsigned n_ref;
|
||||
struct clock_data {
|
||||
int fd;
|
||||
|
||||
int epoll_fd;
|
||||
int signal_fd;
|
||||
int realtime_fd;
|
||||
int monotonic_fd;
|
||||
int watchdog_fd;
|
||||
|
||||
Prioq *pending;
|
||||
Prioq *prepare;
|
||||
|
||||
/* For both clocks we maintain two priority queues each, one
|
||||
/* For all clocks we maintain two priority queues each, one
|
||||
* ordered for the earliest times the events may be
|
||||
* dispatched, and one ordered by the latest times they must
|
||||
* have been dispatched. The range between the top entries in
|
||||
* the two prioqs is the time window we can freely schedule
|
||||
* wakeups in */
|
||||
Prioq *monotonic_earliest;
|
||||
Prioq *monotonic_latest;
|
||||
Prioq *realtime_earliest;
|
||||
Prioq *realtime_latest;
|
||||
|
||||
usec_t realtime_next, monotonic_next;
|
||||
Prioq *earliest;
|
||||
Prioq *latest;
|
||||
usec_t next;
|
||||
};
|
||||
|
||||
struct sd_event {
|
||||
unsigned n_ref;
|
||||
|
||||
int epoll_fd;
|
||||
int signal_fd;
|
||||
int watchdog_fd;
|
||||
|
||||
Prioq *pending;
|
||||
Prioq *prepare;
|
||||
|
||||
/* timerfd_create() only supports these four clocks so far. We
|
||||
* can add support for more clocks when the kernel learns to
|
||||
* deal with them, too. */
|
||||
struct clock_data realtime;
|
||||
struct clock_data monotonic;
|
||||
struct clock_data realtime_alarm;
|
||||
struct clock_data boottime_alarm;
|
||||
|
||||
usec_t perturb;
|
||||
|
||||
sigset_t sigset;
|
||||
@ -147,6 +162,7 @@ struct sd_event {
|
||||
|
||||
unsigned iteration;
|
||||
dual_timestamp timestamp;
|
||||
usec_t timestamp_boottime;
|
||||
int state;
|
||||
|
||||
bool exit_requested:1;
|
||||
@ -234,8 +250,8 @@ static int prepare_prioq_compare(const void *a, const void *b) {
|
||||
static int earliest_time_prioq_compare(const void *a, const void *b) {
|
||||
const sd_event_source *x = a, *y = b;
|
||||
|
||||
assert(x->type == SOURCE_MONOTONIC || x->type == SOURCE_REALTIME);
|
||||
assert(y->type == SOURCE_MONOTONIC || y->type == SOURCE_REALTIME);
|
||||
assert(EVENT_SOURCE_IS_TIME(x->type));
|
||||
assert(x->type == y->type);
|
||||
|
||||
/* Enabled ones first */
|
||||
if (x->enabled != SD_EVENT_OFF && y->enabled == SD_EVENT_OFF)
|
||||
@ -267,8 +283,8 @@ static int earliest_time_prioq_compare(const void *a, const void *b) {
|
||||
static int latest_time_prioq_compare(const void *a, const void *b) {
|
||||
const sd_event_source *x = a, *y = b;
|
||||
|
||||
assert((x->type == SOURCE_MONOTONIC && y->type == SOURCE_MONOTONIC) ||
|
||||
(x->type == SOURCE_REALTIME && y->type == SOURCE_REALTIME));
|
||||
assert(EVENT_SOURCE_IS_TIME(x->type));
|
||||
assert(x->type == y->type);
|
||||
|
||||
/* Enabled ones first */
|
||||
if (x->enabled != SD_EVENT_OFF && y->enabled == SD_EVENT_OFF)
|
||||
@ -324,6 +340,14 @@ static int exit_prioq_compare(const void *a, const void *b) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void free_clock_data(struct clock_data *d) {
|
||||
assert(d);
|
||||
|
||||
safe_close(d->fd);
|
||||
prioq_free(d->earliest);
|
||||
prioq_free(d->latest);
|
||||
}
|
||||
|
||||
static void event_free(sd_event *e) {
|
||||
assert(e);
|
||||
assert(e->n_sources == 0);
|
||||
@ -333,16 +357,15 @@ static void event_free(sd_event *e) {
|
||||
|
||||
safe_close(e->epoll_fd);
|
||||
safe_close(e->signal_fd);
|
||||
safe_close(e->realtime_fd);
|
||||
safe_close(e->monotonic_fd);
|
||||
safe_close(e->watchdog_fd);
|
||||
|
||||
free_clock_data(&e->realtime);
|
||||
free_clock_data(&e->monotonic);
|
||||
free_clock_data(&e->realtime_alarm);
|
||||
free_clock_data(&e->boottime_alarm);
|
||||
|
||||
prioq_free(e->pending);
|
||||
prioq_free(e->prepare);
|
||||
prioq_free(e->monotonic_earliest);
|
||||
prioq_free(e->monotonic_latest);
|
||||
prioq_free(e->realtime_earliest);
|
||||
prioq_free(e->realtime_latest);
|
||||
prioq_free(e->exit);
|
||||
|
||||
free(e->signal_sources);
|
||||
@ -363,9 +386,10 @@ _public_ int sd_event_new(sd_event** ret) {
|
||||
return -ENOMEM;
|
||||
|
||||
e->n_ref = 1;
|
||||
e->signal_fd = e->realtime_fd = e->monotonic_fd = e->watchdog_fd = e->epoll_fd = -1;
|
||||
e->realtime_next = e->monotonic_next = (usec_t) -1;
|
||||
e->signal_fd = e->watchdog_fd = e->epoll_fd = e->realtime.fd = e->monotonic.fd = e->realtime_alarm.fd = e->boottime_alarm.fd = -1;
|
||||
e->realtime.next = e->monotonic.next = e->realtime_alarm.next = e->boottime_alarm.next = (usec_t) -1;
|
||||
e->original_pid = getpid();
|
||||
e->perturb = (usec_t) -1;
|
||||
|
||||
assert_se(sigemptyset(&e->sigset) == 0);
|
||||
|
||||
@ -469,6 +493,70 @@ static int source_io_register(
|
||||
return 0;
|
||||
}
|
||||
|
||||
static clockid_t event_source_type_to_clock(EventSourceType t) {
|
||||
|
||||
switch (t) {
|
||||
|
||||
case SOURCE_TIME_REALTIME:
|
||||
return CLOCK_REALTIME;
|
||||
|
||||
case SOURCE_TIME_MONOTONIC:
|
||||
return CLOCK_MONOTONIC;
|
||||
|
||||
case SOURCE_TIME_REALTIME_ALARM:
|
||||
return CLOCK_REALTIME_ALARM;
|
||||
|
||||
case SOURCE_TIME_BOOTTIME_ALARM:
|
||||
return CLOCK_BOOTTIME_ALARM;
|
||||
|
||||
default:
|
||||
return (clockid_t) -1;
|
||||
}
|
||||
}
|
||||
|
||||
static EventSourceType clock_to_event_source_type(clockid_t clock) {
|
||||
|
||||
switch (clock) {
|
||||
|
||||
case CLOCK_REALTIME:
|
||||
return SOURCE_TIME_REALTIME;
|
||||
|
||||
case CLOCK_MONOTONIC:
|
||||
return SOURCE_TIME_MONOTONIC;
|
||||
|
||||
case CLOCK_REALTIME_ALARM:
|
||||
return SOURCE_TIME_REALTIME_ALARM;
|
||||
|
||||
case CLOCK_BOOTTIME_ALARM:
|
||||
return SOURCE_TIME_BOOTTIME_ALARM;
|
||||
|
||||
default:
|
||||
return _SOURCE_EVENT_SOURCE_TYPE_INVALID;
|
||||
}
|
||||
}
|
||||
|
||||
static struct clock_data* event_get_clock_data(sd_event *e, EventSourceType t) {
|
||||
assert(e);
|
||||
|
||||
switch (t) {
|
||||
|
||||
case SOURCE_TIME_REALTIME:
|
||||
return &e->realtime;
|
||||
|
||||
case SOURCE_TIME_MONOTONIC:
|
||||
return &e->monotonic;
|
||||
|
||||
case SOURCE_TIME_REALTIME_ALARM:
|
||||
return &e->realtime_alarm;
|
||||
|
||||
case SOURCE_TIME_BOOTTIME_ALARM:
|
||||
return &e->boottime_alarm;
|
||||
|
||||
default:
|
||||
return NULL;
|
||||
}
|
||||
}
|
||||
|
||||
static void source_free(sd_event_source *s) {
|
||||
assert(s);
|
||||
|
||||
@ -483,15 +571,19 @@ static void source_free(sd_event_source *s) {
|
||||
|
||||
break;
|
||||
|
||||
case SOURCE_MONOTONIC:
|
||||
prioq_remove(s->event->monotonic_earliest, s, &s->time.earliest_index);
|
||||
prioq_remove(s->event->monotonic_latest, s, &s->time.latest_index);
|
||||
break;
|
||||
case SOURCE_TIME_REALTIME:
|
||||
case SOURCE_TIME_MONOTONIC:
|
||||
case SOURCE_TIME_REALTIME_ALARM:
|
||||
case SOURCE_TIME_BOOTTIME_ALARM: {
|
||||
struct clock_data *d;
|
||||
|
||||
case SOURCE_REALTIME:
|
||||
prioq_remove(s->event->realtime_earliest, s, &s->time.earliest_index);
|
||||
prioq_remove(s->event->realtime_latest, s, &s->time.latest_index);
|
||||
d = event_get_clock_data(s->event, s->type);
|
||||
assert(d);
|
||||
|
||||
prioq_remove(d->earliest, s, &s->time.earliest_index);
|
||||
prioq_remove(d->latest, s, &s->time.latest_index);
|
||||
break;
|
||||
}
|
||||
|
||||
case SOURCE_SIGNAL:
|
||||
if (s->signal.sig > 0) {
|
||||
@ -531,7 +623,7 @@ static void source_free(sd_event_source *s) {
|
||||
prioq_remove(s->event->exit, s, &s->exit.prioq_index);
|
||||
break;
|
||||
|
||||
case SOURCE_WATCHDOG:
|
||||
default:
|
||||
assert_not_reached("Wut? I shouldn't exist.");
|
||||
}
|
||||
|
||||
@ -570,12 +662,14 @@ static int source_set_pending(sd_event_source *s, bool b) {
|
||||
} else
|
||||
assert_se(prioq_remove(s->event->pending, s, &s->pending_index));
|
||||
|
||||
if (s->type == SOURCE_REALTIME) {
|
||||
prioq_reshuffle(s->event->realtime_earliest, s, &s->time.earliest_index);
|
||||
prioq_reshuffle(s->event->realtime_latest, s, &s->time.latest_index);
|
||||
} else if (s->type == SOURCE_MONOTONIC) {
|
||||
prioq_reshuffle(s->event->monotonic_earliest, s, &s->time.earliest_index);
|
||||
prioq_reshuffle(s->event->monotonic_latest, s, &s->time.latest_index);
|
||||
if (EVENT_SOURCE_IS_TIME(s->type)) {
|
||||
struct clock_data *d;
|
||||
|
||||
d = event_get_clock_data(s->event, s->type);
|
||||
assert(d);
|
||||
|
||||
prioq_reshuffle(d->earliest, s, &s->time.earliest_index);
|
||||
prioq_reshuffle(d->latest, s, &s->time.latest_index);
|
||||
}
|
||||
|
||||
return 0;
|
||||
@ -641,26 +735,25 @@ _public_ int sd_event_add_io(
|
||||
|
||||
static int event_setup_timer_fd(
|
||||
sd_event *e,
|
||||
EventSourceType type,
|
||||
int *timer_fd,
|
||||
clockid_t id) {
|
||||
struct clock_data *d,
|
||||
clockid_t clock) {
|
||||
|
||||
sd_id128_t bootid = {};
|
||||
struct epoll_event ev = {};
|
||||
int r, fd;
|
||||
|
||||
assert(e);
|
||||
assert(timer_fd);
|
||||
assert(d);
|
||||
|
||||
if (_likely_(*timer_fd >= 0))
|
||||
if (_likely_(d->fd >= 0))
|
||||
return 0;
|
||||
|
||||
fd = timerfd_create(id, TFD_NONBLOCK|TFD_CLOEXEC);
|
||||
fd = timerfd_create(clock, TFD_NONBLOCK|TFD_CLOEXEC);
|
||||
if (fd < 0)
|
||||
return -errno;
|
||||
|
||||
ev.events = EPOLLIN;
|
||||
ev.data.ptr = INT_TO_PTR(type);
|
||||
ev.data.ptr = INT_TO_PTR(clock_to_event_source_type(clock));
|
||||
|
||||
r = epoll_ctl(e->epoll_fd, EPOLL_CTL_ADD, fd, &ev);
|
||||
if (r < 0) {
|
||||
@ -668,6 +761,8 @@ static int event_setup_timer_fd(
|
||||
return -errno;
|
||||
}
|
||||
|
||||
d->fd = fd;
|
||||
|
||||
/* When we sleep for longer, we try to realign the wakeup to
|
||||
the same time wihtin each minute/second/250ms, so that
|
||||
events all across the system can be coalesced into a single
|
||||
@ -677,55 +772,55 @@ static int event_setup_timer_fd(
|
||||
bit. Here, we calculate a perturbation usec offset from the
|
||||
boot ID. */
|
||||
|
||||
if (sd_id128_get_boot(&bootid) >= 0)
|
||||
e->perturb = (bootid.qwords[0] ^ bootid.qwords[1]) % USEC_PER_MINUTE;
|
||||
if (e->perturb == (usec_t) -1)
|
||||
if (sd_id128_get_boot(&bootid) >= 0)
|
||||
e->perturb = (bootid.qwords[0] ^ bootid.qwords[1]) % USEC_PER_MINUTE;
|
||||
|
||||
*timer_fd = fd;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int event_add_time_internal(
|
||||
_public_ int sd_event_add_time(
|
||||
sd_event *e,
|
||||
sd_event_source **ret,
|
||||
EventSourceType type,
|
||||
int *timer_fd,
|
||||
clockid_t id,
|
||||
Prioq **earliest,
|
||||
Prioq **latest,
|
||||
clockid_t clock,
|
||||
uint64_t usec,
|
||||
uint64_t accuracy,
|
||||
sd_event_time_handler_t callback,
|
||||
void *userdata) {
|
||||
|
||||
EventSourceType type;
|
||||
sd_event_source *s;
|
||||
struct clock_data *d;
|
||||
int r;
|
||||
|
||||
assert_return(e, -EINVAL);
|
||||
assert_return(callback, -EINVAL);
|
||||
assert_return(ret, -EINVAL);
|
||||
assert_return(usec != (uint64_t) -1, -EINVAL);
|
||||
assert_return(accuracy != (uint64_t) -1, -EINVAL);
|
||||
assert_return(callback, -EINVAL);
|
||||
assert_return(e->state != SD_EVENT_FINISHED, -ESTALE);
|
||||
assert_return(!event_pid_changed(e), -ECHILD);
|
||||
|
||||
assert(timer_fd);
|
||||
assert(earliest);
|
||||
assert(latest);
|
||||
type = clock_to_event_source_type(clock);
|
||||
assert_return(type >= 0, -ENOTSUP);
|
||||
|
||||
if (!*earliest) {
|
||||
*earliest = prioq_new(earliest_time_prioq_compare);
|
||||
if (!*earliest)
|
||||
d = event_get_clock_data(e, type);
|
||||
assert(d);
|
||||
|
||||
if (!d->earliest) {
|
||||
d->earliest = prioq_new(earliest_time_prioq_compare);
|
||||
if (!d->earliest)
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
if (!*latest) {
|
||||
*latest = prioq_new(latest_time_prioq_compare);
|
||||
if (!*latest)
|
||||
if (!d->latest) {
|
||||
d->latest = prioq_new(latest_time_prioq_compare);
|
||||
if (!d->latest)
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
if (*timer_fd < 0) {
|
||||
r = event_setup_timer_fd(e, type, timer_fd, id);
|
||||
if (d->fd < 0) {
|
||||
r = event_setup_timer_fd(e, d, clock);
|
||||
if (r < 0)
|
||||
return r;
|
||||
}
|
||||
@ -741,11 +836,11 @@ static int event_add_time_internal(
|
||||
s->userdata = userdata;
|
||||
s->enabled = SD_EVENT_ONESHOT;
|
||||
|
||||
r = prioq_put(*earliest, s, &s->time.earliest_index);
|
||||
r = prioq_put(d->earliest, s, &s->time.earliest_index);
|
||||
if (r < 0)
|
||||
goto fail;
|
||||
|
||||
r = prioq_put(*latest, s, &s->time.latest_index);
|
||||
r = prioq_put(d->latest, s, &s->time.latest_index);
|
||||
if (r < 0)
|
||||
goto fail;
|
||||
|
||||
@ -757,26 +852,6 @@ fail:
|
||||
return r;
|
||||
}
|
||||
|
||||
_public_ int sd_event_add_monotonic(sd_event *e,
|
||||
sd_event_source **ret,
|
||||
uint64_t usec,
|
||||
uint64_t accuracy,
|
||||
sd_event_time_handler_t callback,
|
||||
void *userdata) {
|
||||
|
||||
return event_add_time_internal(e, ret, SOURCE_MONOTONIC, &e->monotonic_fd, CLOCK_MONOTONIC, &e->monotonic_earliest, &e->monotonic_latest, usec, accuracy, callback, userdata);
|
||||
}
|
||||
|
||||
_public_ int sd_event_add_realtime(sd_event *e,
|
||||
sd_event_source **ret,
|
||||
uint64_t usec,
|
||||
uint64_t accuracy,
|
||||
sd_event_time_handler_t callback,
|
||||
void *userdata) {
|
||||
|
||||
return event_add_time_internal(e, ret, SOURCE_REALTIME, &e->realtime_fd, CLOCK_REALTIME, &e->realtime_earliest, &e->realtime_latest, usec, accuracy, callback, userdata);
|
||||
}
|
||||
|
||||
static int event_update_signal_fd(sd_event *e) {
|
||||
struct epoll_event ev = {};
|
||||
bool add_to_epoll;
|
||||
@ -1244,17 +1319,20 @@ _public_ int sd_event_source_set_enabled(sd_event_source *s, int m) {
|
||||
s->enabled = m;
|
||||
break;
|
||||
|
||||
case SOURCE_MONOTONIC:
|
||||
s->enabled = m;
|
||||
prioq_reshuffle(s->event->monotonic_earliest, s, &s->time.earliest_index);
|
||||
prioq_reshuffle(s->event->monotonic_latest, s, &s->time.latest_index);
|
||||
break;
|
||||
case SOURCE_TIME_REALTIME:
|
||||
case SOURCE_TIME_MONOTONIC:
|
||||
case SOURCE_TIME_REALTIME_ALARM:
|
||||
case SOURCE_TIME_BOOTTIME_ALARM: {
|
||||
struct clock_data *d;
|
||||
|
||||
case SOURCE_REALTIME:
|
||||
s->enabled = m;
|
||||
prioq_reshuffle(s->event->realtime_earliest, s, &s->time.earliest_index);
|
||||
prioq_reshuffle(s->event->realtime_latest, s, &s->time.latest_index);
|
||||
d = event_get_clock_data(s->event, s->type);
|
||||
assert(d);
|
||||
|
||||
prioq_reshuffle(d->earliest, s, &s->time.earliest_index);
|
||||
prioq_reshuffle(d->latest, s, &s->time.latest_index);
|
||||
break;
|
||||
}
|
||||
|
||||
case SOURCE_SIGNAL:
|
||||
s->enabled = m;
|
||||
@ -1288,7 +1366,7 @@ _public_ int sd_event_source_set_enabled(sd_event_source *s, int m) {
|
||||
s->enabled = m;
|
||||
break;
|
||||
|
||||
case SOURCE_WATCHDOG:
|
||||
default:
|
||||
assert_not_reached("Wut? I shouldn't exist.");
|
||||
}
|
||||
|
||||
@ -1303,17 +1381,20 @@ _public_ int sd_event_source_set_enabled(sd_event_source *s, int m) {
|
||||
s->enabled = m;
|
||||
break;
|
||||
|
||||
case SOURCE_MONOTONIC:
|
||||
s->enabled = m;
|
||||
prioq_reshuffle(s->event->monotonic_earliest, s, &s->time.earliest_index);
|
||||
prioq_reshuffle(s->event->monotonic_latest, s, &s->time.latest_index);
|
||||
break;
|
||||
case SOURCE_TIME_REALTIME:
|
||||
case SOURCE_TIME_MONOTONIC:
|
||||
case SOURCE_TIME_REALTIME_ALARM:
|
||||
case SOURCE_TIME_BOOTTIME_ALARM: {
|
||||
struct clock_data *d;
|
||||
|
||||
case SOURCE_REALTIME:
|
||||
s->enabled = m;
|
||||
prioq_reshuffle(s->event->realtime_earliest, s, &s->time.earliest_index);
|
||||
prioq_reshuffle(s->event->realtime_latest, s, &s->time.latest_index);
|
||||
d = event_get_clock_data(s->event, s->type);
|
||||
assert(d);
|
||||
|
||||
prioq_reshuffle(d->earliest, s, &s->time.earliest_index);
|
||||
prioq_reshuffle(d->latest, s, &s->time.latest_index);
|
||||
break;
|
||||
}
|
||||
|
||||
case SOURCE_SIGNAL:
|
||||
s->enabled = m;
|
||||
@ -1347,7 +1428,7 @@ _public_ int sd_event_source_set_enabled(sd_event_source *s, int m) {
|
||||
s->enabled = m;
|
||||
break;
|
||||
|
||||
case SOURCE_WATCHDOG:
|
||||
default:
|
||||
assert_not_reached("Wut? I shouldn't exist.");
|
||||
}
|
||||
}
|
||||
@ -1364,7 +1445,7 @@ _public_ int sd_event_source_set_enabled(sd_event_source *s, int m) {
|
||||
_public_ int sd_event_source_get_time(sd_event_source *s, uint64_t *usec) {
|
||||
assert_return(s, -EINVAL);
|
||||
assert_return(usec, -EINVAL);
|
||||
assert_return(s->type == SOURCE_REALTIME || s->type == SOURCE_MONOTONIC, -EDOM);
|
||||
assert_return(EVENT_SOURCE_IS_TIME(s->type), -EDOM);
|
||||
assert_return(!event_pid_changed(s->event), -ECHILD);
|
||||
|
||||
*usec = s->time.next;
|
||||
@ -1372,9 +1453,11 @@ _public_ int sd_event_source_get_time(sd_event_source *s, uint64_t *usec) {
|
||||
}
|
||||
|
||||
_public_ int sd_event_source_set_time(sd_event_source *s, uint64_t usec) {
|
||||
struct clock_data *d;
|
||||
|
||||
assert_return(s, -EINVAL);
|
||||
assert_return(usec != (uint64_t) -1, -EINVAL);
|
||||
assert_return(s->type == SOURCE_REALTIME || s->type == SOURCE_MONOTONIC, -EDOM);
|
||||
assert_return(EVENT_SOURCE_IS_TIME(s->type), -EDOM);
|
||||
assert_return(s->event->state != SD_EVENT_FINISHED, -ESTALE);
|
||||
assert_return(!event_pid_changed(s->event), -ECHILD);
|
||||
|
||||
@ -1382,13 +1465,11 @@ _public_ int sd_event_source_set_time(sd_event_source *s, uint64_t usec) {
|
||||
|
||||
source_set_pending(s, false);
|
||||
|
||||
if (s->type == SOURCE_REALTIME) {
|
||||
prioq_reshuffle(s->event->realtime_earliest, s, &s->time.earliest_index);
|
||||
prioq_reshuffle(s->event->realtime_latest, s, &s->time.latest_index);
|
||||
} else {
|
||||
prioq_reshuffle(s->event->monotonic_earliest, s, &s->time.earliest_index);
|
||||
prioq_reshuffle(s->event->monotonic_latest, s, &s->time.latest_index);
|
||||
}
|
||||
d = event_get_clock_data(s->event, s->type);
|
||||
assert(d);
|
||||
|
||||
prioq_reshuffle(d->earliest, s, &s->time.earliest_index);
|
||||
prioq_reshuffle(d->latest, s, &s->time.latest_index);
|
||||
|
||||
return 0;
|
||||
}
|
||||
@ -1396,7 +1477,7 @@ _public_ int sd_event_source_set_time(sd_event_source *s, uint64_t usec) {
|
||||
_public_ int sd_event_source_get_time_accuracy(sd_event_source *s, uint64_t *usec) {
|
||||
assert_return(s, -EINVAL);
|
||||
assert_return(usec, -EINVAL);
|
||||
assert_return(s->type == SOURCE_REALTIME || s->type == SOURCE_MONOTONIC, -EDOM);
|
||||
assert_return(EVENT_SOURCE_IS_TIME(s->type), -EDOM);
|
||||
assert_return(!event_pid_changed(s->event), -ECHILD);
|
||||
|
||||
*usec = s->time.accuracy;
|
||||
@ -1404,9 +1485,11 @@ _public_ int sd_event_source_get_time_accuracy(sd_event_source *s, uint64_t *use
|
||||
}
|
||||
|
||||
_public_ int sd_event_source_set_time_accuracy(sd_event_source *s, uint64_t usec) {
|
||||
struct clock_data *d;
|
||||
|
||||
assert_return(s, -EINVAL);
|
||||
assert_return(usec != (uint64_t) -1, -EINVAL);
|
||||
assert_return(s->type == SOURCE_REALTIME || s->type == SOURCE_MONOTONIC, -EDOM);
|
||||
assert_return(EVENT_SOURCE_IS_TIME(s->type), -EDOM);
|
||||
assert_return(s->event->state != SD_EVENT_FINISHED, -ESTALE);
|
||||
assert_return(!event_pid_changed(s->event), -ECHILD);
|
||||
|
||||
@ -1417,11 +1500,21 @@ _public_ int sd_event_source_set_time_accuracy(sd_event_source *s, uint64_t usec
|
||||
|
||||
source_set_pending(s, false);
|
||||
|
||||
if (s->type == SOURCE_REALTIME)
|
||||
prioq_reshuffle(s->event->realtime_latest, s, &s->time.latest_index);
|
||||
else
|
||||
prioq_reshuffle(s->event->monotonic_latest, s, &s->time.latest_index);
|
||||
d = event_get_clock_data(s->event, s->type);
|
||||
assert(d);
|
||||
|
||||
prioq_reshuffle(d->latest, s, &s->time.latest_index);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
_public_ int sd_event_source_get_time_clock(sd_event_source *s, clockid_t *clock) {
|
||||
assert_return(s, -EINVAL);
|
||||
assert_return(clock, -EINVAL);
|
||||
assert_return(EVENT_SOURCE_IS_TIME(s->type), -EDOM);
|
||||
assert_return(!event_pid_changed(s->event), -ECHILD);
|
||||
|
||||
*clock = event_source_type_to_clock(s->type);
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -1562,10 +1655,7 @@ static usec_t sleep_between(sd_event *e, usec_t a, usec_t b) {
|
||||
|
||||
static int event_arm_timer(
|
||||
sd_event *e,
|
||||
int timer_fd,
|
||||
Prioq *earliest,
|
||||
Prioq *latest,
|
||||
usec_t *next) {
|
||||
struct clock_data *d) {
|
||||
|
||||
struct itimerspec its = {};
|
||||
sd_event_source *a, *b;
|
||||
@ -1573,35 +1663,34 @@ static int event_arm_timer(
|
||||
int r;
|
||||
|
||||
assert(e);
|
||||
assert(next);
|
||||
assert(d);
|
||||
|
||||
a = prioq_peek(earliest);
|
||||
a = prioq_peek(d->earliest);
|
||||
if (!a || a->enabled == SD_EVENT_OFF) {
|
||||
|
||||
if (timer_fd < 0)
|
||||
if (d->fd < 0)
|
||||
return 0;
|
||||
|
||||
if (*next == (usec_t) -1)
|
||||
if (d->next == (usec_t) -1)
|
||||
return 0;
|
||||
|
||||
/* disarm */
|
||||
r = timerfd_settime(timer_fd, TFD_TIMER_ABSTIME, &its, NULL);
|
||||
r = timerfd_settime(d->fd, TFD_TIMER_ABSTIME, &its, NULL);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
*next = (usec_t) -1;
|
||||
|
||||
d->next = (usec_t) -1;
|
||||
return 0;
|
||||
}
|
||||
|
||||
b = prioq_peek(latest);
|
||||
b = prioq_peek(d->latest);
|
||||
assert_se(b && b->enabled != SD_EVENT_OFF);
|
||||
|
||||
t = sleep_between(e, a->time.next, b->time.next + b->time.accuracy);
|
||||
if (*next == t)
|
||||
if (d->next == t)
|
||||
return 0;
|
||||
|
||||
assert_se(timer_fd >= 0);
|
||||
assert_se(d->fd >= 0);
|
||||
|
||||
if (t == 0) {
|
||||
/* We don' want to disarm here, just mean some time looooong ago. */
|
||||
@ -1610,11 +1699,11 @@ static int event_arm_timer(
|
||||
} else
|
||||
timespec_store(&its.it_value, t);
|
||||
|
||||
r = timerfd_settime(timer_fd, TFD_TIMER_ABSTIME, &its, NULL);
|
||||
r = timerfd_settime(d->fd, TFD_TIMER_ABSTIME, &its, NULL);
|
||||
if (r < 0)
|
||||
return -errno;
|
||||
|
||||
*next = t;
|
||||
d->next = t;
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -1666,16 +1755,16 @@ static int flush_timer(sd_event *e, int fd, uint32_t events, usec_t *next) {
|
||||
static int process_timer(
|
||||
sd_event *e,
|
||||
usec_t n,
|
||||
Prioq *earliest,
|
||||
Prioq *latest) {
|
||||
struct clock_data *d) {
|
||||
|
||||
sd_event_source *s;
|
||||
int r;
|
||||
|
||||
assert(e);
|
||||
assert(d);
|
||||
|
||||
for (;;) {
|
||||
s = prioq_peek(earliest);
|
||||
s = prioq_peek(d->earliest);
|
||||
if (!s ||
|
||||
s->time.next > n ||
|
||||
s->enabled == SD_EVENT_OFF ||
|
||||
@ -1686,8 +1775,8 @@ static int process_timer(
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
prioq_reshuffle(earliest, s, &s->time.earliest_index);
|
||||
prioq_reshuffle(latest, s, &s->time.latest_index);
|
||||
prioq_reshuffle(d->earliest, s, &s->time.earliest_index);
|
||||
prioq_reshuffle(d->latest, s, &s->time.latest_index);
|
||||
}
|
||||
|
||||
return 0;
|
||||
@ -1848,11 +1937,10 @@ static int source_dispatch(sd_event_source *s) {
|
||||
r = s->io.callback(s, s->io.fd, s->io.revents, s->userdata);
|
||||
break;
|
||||
|
||||
case SOURCE_MONOTONIC:
|
||||
r = s->time.callback(s, s->time.next, s->userdata);
|
||||
break;
|
||||
|
||||
case SOURCE_REALTIME:
|
||||
case SOURCE_TIME_REALTIME:
|
||||
case SOURCE_TIME_MONOTONIC:
|
||||
case SOURCE_TIME_REALTIME_ALARM:
|
||||
case SOURCE_TIME_BOOTTIME_ALARM:
|
||||
r = s->time.callback(s, s->time.next, s->userdata);
|
||||
break;
|
||||
|
||||
@ -2038,16 +2126,25 @@ _public_ int sd_event_run(sd_event *e, uint64_t timeout) {
|
||||
if (r < 0)
|
||||
goto finish;
|
||||
|
||||
r = event_arm_timer(e, e->monotonic_fd, e->monotonic_earliest, e->monotonic_latest, &e->monotonic_next);
|
||||
r = event_arm_timer(e, &e->realtime);
|
||||
if (r < 0)
|
||||
goto finish;
|
||||
|
||||
r = event_arm_timer(e, e->realtime_fd, e->realtime_earliest, e->realtime_latest, &e->realtime_next);
|
||||
r = event_arm_timer(e, &e->monotonic);
|
||||
if (r < 0)
|
||||
goto finish;
|
||||
|
||||
r = event_arm_timer(e, &e->realtime_alarm);
|
||||
if (r < 0)
|
||||
goto finish;
|
||||
|
||||
r = event_arm_timer(e, &e->boottime_alarm);
|
||||
if (r < 0)
|
||||
goto finish;
|
||||
|
||||
if (event_next_pending(e) || e->need_process_child)
|
||||
timeout = 0;
|
||||
|
||||
ev_queue_max = CLAMP(e->n_sources, 1U, EPOLL_QUEUE_MAX);
|
||||
ev_queue = newa(struct epoll_event, ev_queue_max);
|
||||
|
||||
@ -2059,16 +2156,21 @@ _public_ int sd_event_run(sd_event *e, uint64_t timeout) {
|
||||
}
|
||||
|
||||
dual_timestamp_get(&e->timestamp);
|
||||
e->timestamp_boottime = now(CLOCK_BOOTTIME);
|
||||
|
||||
for (i = 0; i < m; i++) {
|
||||
|
||||
if (ev_queue[i].data.ptr == INT_TO_PTR(SOURCE_MONOTONIC))
|
||||
r = flush_timer(e, e->monotonic_fd, ev_queue[i].events, &e->monotonic_next);
|
||||
else if (ev_queue[i].data.ptr == INT_TO_PTR(SOURCE_REALTIME))
|
||||
r = flush_timer(e, e->realtime_fd, ev_queue[i].events, &e->realtime_next);
|
||||
if (ev_queue[i].data.ptr == INT_TO_PTR(SOURCE_TIME_REALTIME))
|
||||
r = flush_timer(e, e->realtime.fd, ev_queue[i].events, &e->realtime.next);
|
||||
else if (ev_queue[i].data.ptr == INT_TO_PTR(SOURCE_TIME_MONOTONIC))
|
||||
r = flush_timer(e, e->monotonic.fd, ev_queue[i].events, &e->monotonic.next);
|
||||
else if (ev_queue[i].data.ptr == INT_TO_PTR(SOURCE_TIME_REALTIME_ALARM))
|
||||
r = flush_timer(e, e->realtime_alarm.fd, ev_queue[i].events, &e->realtime_alarm.next);
|
||||
else if (ev_queue[i].data.ptr == INT_TO_PTR(SOURCE_TIME_BOOTTIME_ALARM))
|
||||
r = flush_timer(e, e->boottime_alarm.fd, ev_queue[i].events, &e->boottime_alarm.next);
|
||||
else if (ev_queue[i].data.ptr == INT_TO_PTR(SOURCE_SIGNAL))
|
||||
r = process_signal(e, ev_queue[i].events);
|
||||
else if (ev_queue[i].data.ptr == INT_TO_PTR(SOURCE_WATCHDOG))
|
||||
else if (ev_queue[i].data.ptr == INT_TO_PTR(SOURCE_WATCHDOG))
|
||||
r = flush_timer(e, e->watchdog_fd, ev_queue[i].events, NULL);
|
||||
else
|
||||
r = process_io(e, ev_queue[i].data.ptr, ev_queue[i].events);
|
||||
@ -2081,11 +2183,19 @@ _public_ int sd_event_run(sd_event *e, uint64_t timeout) {
|
||||
if (r < 0)
|
||||
goto finish;
|
||||
|
||||
r = process_timer(e, e->timestamp.monotonic, e->monotonic_earliest, e->monotonic_latest);
|
||||
r = process_timer(e, e->timestamp.realtime, &e->realtime);
|
||||
if (r < 0)
|
||||
goto finish;
|
||||
|
||||
r = process_timer(e, e->timestamp.realtime, e->realtime_earliest, e->realtime_latest);
|
||||
r = process_timer(e, e->timestamp.monotonic, &e->monotonic);
|
||||
if (r < 0)
|
||||
goto finish;
|
||||
|
||||
r = process_timer(e, e->timestamp.realtime, &e->realtime_alarm);
|
||||
if (r < 0)
|
||||
goto finish;
|
||||
|
||||
r = process_timer(e, e->timestamp_boottime, &e->boottime_alarm);
|
||||
if (r < 0)
|
||||
goto finish;
|
||||
|
||||
@ -2162,23 +2272,31 @@ _public_ int sd_event_exit(sd_event *e, int code) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
_public_ int sd_event_get_now_realtime(sd_event *e, uint64_t *usec) {
|
||||
_public_ int sd_event_now(sd_event *e, clockid_t clock, uint64_t *usec) {
|
||||
assert_return(e, -EINVAL);
|
||||
assert_return(usec, -EINVAL);
|
||||
assert_return(dual_timestamp_is_set(&e->timestamp), -ENODATA);
|
||||
assert_return(!event_pid_changed(e), -ECHILD);
|
||||
|
||||
*usec = e->timestamp.realtime;
|
||||
return 0;
|
||||
}
|
||||
/* If we haven't run yet, just get the actual time */
|
||||
if (!dual_timestamp_is_set(&e->timestamp))
|
||||
return -ENODATA;
|
||||
|
||||
_public_ int sd_event_get_now_monotonic(sd_event *e, uint64_t *usec) {
|
||||
assert_return(e, -EINVAL);
|
||||
assert_return(usec, -EINVAL);
|
||||
assert_return(dual_timestamp_is_set(&e->timestamp), -ENODATA);
|
||||
assert_return(!event_pid_changed(e), -ECHILD);
|
||||
switch (clock) {
|
||||
|
||||
case CLOCK_REALTIME:
|
||||
case CLOCK_REALTIME_ALARM:
|
||||
*usec = e->timestamp.realtime;
|
||||
break;
|
||||
|
||||
case CLOCK_MONOTONIC:
|
||||
*usec = e->timestamp.monotonic;
|
||||
break;
|
||||
|
||||
case CLOCK_BOOTTIME_ALARM:
|
||||
*usec = e->timestamp_boottime;
|
||||
break;
|
||||
}
|
||||
|
||||
*usec = e->timestamp.monotonic;
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
@ -196,7 +196,7 @@ int main(int argc, char *argv[]) {
|
||||
|
||||
assert_se(sd_event_add_io(e, &x, a[0], EPOLLIN, io_handler, INT_TO_PTR('a')) >= 0);
|
||||
assert_se(sd_event_add_io(e, &y, b[0], EPOLLIN, io_handler, INT_TO_PTR('b')) >= 0);
|
||||
assert_se(sd_event_add_monotonic(e, &z, 0, 0, time_handler, INT_TO_PTR('c')) >= 0);
|
||||
assert_se(sd_event_add_time(e, &z, CLOCK_MONOTONIC, 0, 0, time_handler, INT_TO_PTR('c')) >= 0);
|
||||
assert_se(sd_event_add_exit(e, &q, exit_handler, INT_TO_PTR('g')) >= 0);
|
||||
|
||||
assert_se(sd_event_source_set_priority(x, 99) >= 0);
|
||||
|
@ -838,7 +838,7 @@ int sd_rtnl_attach_event(sd_rtnl *rtnl, sd_event *event, int priority) {
|
||||
if (r < 0)
|
||||
goto fail;
|
||||
|
||||
r = sd_event_add_monotonic(rtnl->event, &rtnl->time_event_source, 0, 0, time_callback, rtnl);
|
||||
r = sd_event_add_time(rtnl->event, &rtnl->time_event_source, CLOCK_MONOTONIC, 0, 0, time_callback, rtnl);
|
||||
if (r < 0)
|
||||
goto fail;
|
||||
|
||||
|
@ -1340,7 +1340,12 @@ int manager_set_lid_switch_ignore(Manager *m, usec_t until) {
|
||||
|
||||
r = sd_event_source_set_time(m->lid_switch_ignore_event_source, until);
|
||||
} else
|
||||
r = sd_event_add_monotonic(m->event, &m->lid_switch_ignore_event_source, until, 0, lid_switch_ignore_handler, m);
|
||||
r = sd_event_add_time(
|
||||
m->event,
|
||||
&m->lid_switch_ignore_event_source,
|
||||
CLOCK_MONOTONIC,
|
||||
until, 0,
|
||||
lid_switch_ignore_handler, m);
|
||||
|
||||
return r;
|
||||
}
|
||||
|
@ -682,7 +682,11 @@ void session_release(Session *s) {
|
||||
return;
|
||||
|
||||
if (!s->timer_event_source)
|
||||
sd_event_add_monotonic(s->manager->event, &s->timer_event_source, now(CLOCK_MONOTONIC) + RELEASE_USEC, 0, release_timeout_callback, s);
|
||||
sd_event_add_time(s->manager->event,
|
||||
&s->timer_event_source,
|
||||
CLOCK_MONOTONIC,
|
||||
now(CLOCK_MONOTONIC) + RELEASE_USEC, 0,
|
||||
release_timeout_callback, s);
|
||||
}
|
||||
|
||||
bool session_is_active(Session *s) {
|
||||
|
@ -933,7 +933,12 @@ static int manager_dispatch_idle_action(sd_event_source *s, uint64_t t, void *us
|
||||
|
||||
if (!m->idle_action_event_source) {
|
||||
|
||||
r = sd_event_add_monotonic(m->event, &m->idle_action_event_source, elapse, USEC_PER_SEC*30, manager_dispatch_idle_action, m);
|
||||
r = sd_event_add_time(
|
||||
m->event,
|
||||
&m->idle_action_event_source,
|
||||
CLOCK_MONOTONIC,
|
||||
elapse, USEC_PER_SEC*30,
|
||||
manager_dispatch_idle_action, m);
|
||||
if (r < 0) {
|
||||
log_error("Failed to add idle event source: %s", strerror(-r));
|
||||
return r;
|
||||
|
@ -77,8 +77,7 @@ sd_event* sd_event_ref(sd_event *e);
|
||||
sd_event* sd_event_unref(sd_event *e);
|
||||
|
||||
int sd_event_add_io(sd_event *e, sd_event_source **s, int fd, uint32_t events, sd_event_io_handler_t callback, void *userdata);
|
||||
int sd_event_add_monotonic(sd_event *e, sd_event_source **s, uint64_t usec, uint64_t accuracy, sd_event_time_handler_t callback, void *userdata);
|
||||
int sd_event_add_realtime(sd_event *e, sd_event_source **s, uint64_t usec, uint64_t accuracy, sd_event_time_handler_t callback, void *userdata);
|
||||
int sd_event_add_time(sd_event *e, sd_event_source **s, clockid_t clock, uint64_t usec, uint64_t accuracy, sd_event_time_handler_t callback, void *userdata);
|
||||
int sd_event_add_signal(sd_event *e, sd_event_source **s, int sig, sd_event_signal_handler_t callback, void *userdata);
|
||||
int sd_event_add_child(sd_event *e, sd_event_source **s, pid_t pid, int options, sd_event_child_handler_t callback, void *userdata);
|
||||
int sd_event_add_defer(sd_event *e, sd_event_source **s, sd_event_handler_t callback, void *userdata);
|
||||
@ -89,11 +88,11 @@ int sd_event_run(sd_event *e, uint64_t timeout);
|
||||
int sd_event_loop(sd_event *e);
|
||||
int sd_event_exit(sd_event *e, int code);
|
||||
|
||||
int sd_event_now(sd_event *e, clockid_t clock, uint64_t *usec);
|
||||
|
||||
int sd_event_get_state(sd_event *e);
|
||||
int sd_event_get_tid(sd_event *e, pid_t *tid);
|
||||
int sd_event_get_exit_code(sd_event *e, int *code);
|
||||
int sd_event_get_now_realtime(sd_event *e, uint64_t *usec);
|
||||
int sd_event_get_now_monotonic(sd_event *e, uint64_t *usec);
|
||||
int sd_event_set_watchdog(sd_event *e, int b);
|
||||
int sd_event_get_watchdog(sd_event *e);
|
||||
|
||||
@ -117,6 +116,7 @@ int sd_event_source_get_time(sd_event_source *s, uint64_t *usec);
|
||||
int sd_event_source_set_time(sd_event_source *s, uint64_t usec);
|
||||
int sd_event_source_set_time_accuracy(sd_event_source *s, uint64_t usec);
|
||||
int sd_event_source_get_time_accuracy(sd_event_source *s, uint64_t *usec);
|
||||
int sd_event_source_get_time_clock(sd_event_source *s, clockid_t *clock);
|
||||
int sd_event_source_get_signal(sd_event_source *s);
|
||||
int sd_event_source_get_child_pid(sd_event_source *s, pid_t *pid);
|
||||
sd_event *sd_event_source_get_event(sd_event_source *s);
|
||||
|
@ -265,7 +265,12 @@ static int sntp_arm_timer(SNTPContext *sntp, usec_t next) {
|
||||
}
|
||||
|
||||
e = sd_event_source_get_event(sntp->event_receive);
|
||||
r = sd_event_add_monotonic(e, &sntp->event_timer, now(CLOCK_MONOTONIC) + next, 0, sntp_timer, sntp);
|
||||
r = sd_event_add_time(
|
||||
e,
|
||||
&sntp->event_timer,
|
||||
CLOCK_MONOTONIC,
|
||||
now(CLOCK_MONOTONIC) + next, 0,
|
||||
sntp_timer, sntp);
|
||||
if (r < 0)
|
||||
return r;
|
||||
|
||||
|
Loading…
Reference in New Issue
Block a user